//
//  PWFactory.h
//  PurchaseWorld
//
//  Created by chenfangkun on 2018/7/13.
//  Copyright © 2018年 chenfangkun. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@interface PWFactory : NSObject


/// 比例
+ (float)pw_ratio;

@end
